1- SUPERIOR 50BV30 STEEL CONSTRUCTION - GrenPRO Socket Adapter Set are made from high-grade 50BV30 Chrome-Vanadium steel, hardened to HRC 42-48 for exceptional strength and impact resistance, resist bending and wear better than standard chrome-vanadium. The corrosion-resistant black phosphate finish ensures long-lasting performance under heavy use
2 - MOST COMPLETE 19-PC IMPACT SET - Our extension set include EVERY essential accessory: 1/4", 3/8", 1/2" drive extensions, adapters, universal joints, and a FULL SET OF 4 IMPACT COUPLERS (vs. 3 in standard sets) for maximum bolt size coverage. Conquer any tight space or awkward angle
3 - INSTANT SIZE ID - Laser-etched markings on every tool (extensions, adapters, couplers!) ensure fast, accurate selection. Minimize downtime and boost efficiency on critical jobs
4 - ULTIMATE FLEXIBILITY - Go beyond angles and drive sizes! Our 4 dedicated impact couplers + swivel joints + adapters provide unparalleled access. Securely drive hex, Torx, or square bits in the most confined spaces
5 - PROTECTED & PORTABLE - Heavy-duty custom blow-molded case securely organizes and protects all 19 premium tools, including the full set of couplers. Grab-n-go convenience for the shop or field